Subject: bug#7092: 23.1; Dired slow using Emacs remotely

From: Eli Zaretskii <[email-masked]>
Date: Fri, 24 Sep 2010 10:05:57 +0200

> Date: Thu, 23 Sep 2010 22:28:34 -0400
> From: Dan Espen <[email-masked]>
> Cc: 
> 
> Moving the pointer around a dired buffer makes Emacs unusable for long      
> periods of time.  This is true even after disabling tool-tip
> mode.

Probably because of the mouse highlight (which causes lots of X
traffic).